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| Rev | Author | Line No. | Line |
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| 259 | daniel-mar | 1 | /* |
| 2 | This file is part of "Filter Foundry", a filter plugin for Adobe Photoshop |
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| 3 | Copyright (C) 2003-2009 Toby Thain, toby@telegraphics.com.au |
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| 4 | Copyright (C) 2018-2021 Daniel Marschall, ViaThinkSoft |
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| 5 | |||
| 6 | This program is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2 of the License, or |
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| 9 | (at your option) any later version. |
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| 10 | |||
| 11 | This program is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | GNU General Public License for more details. |
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| 15 | |||
| 16 | You should have received a copy of the GNU General Public License |
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| 17 | along with this program; if not, write to the Free Software |
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| 18 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #include "ff.h" |
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| 22 | |||
| 23 | #include <Resources.h> |
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| 24 | |||
| 25 | #include "file_compat.h" |
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| 26 | |||
| 27 | Boolean readPARMresource(HMODULE hm,char **reason,int readobfusc){ |
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| 28 | Boolean res = false; |
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| 29 | Handle h; |
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| 30 | |||
| 375 | daniel-mar | 31 | if( !(h = Get1Resource(PARM_TYPE,PARM_ID_NEW)) |
| 32 | && !(h = Get1Resource(PARM_TYPE,PARM_ID_OLD)) |
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| 259 | daniel-mar | 33 | && readobfusc |
| 375 | daniel-mar | 34 | && ((h = Get1Resource(OBFUSCDATA_TYPE_NEW,OBFUSCDATA_ID_NEW)) || |
| 35 | (h = Get1Resource(OBFUSCDATA_TYPE_OLD,OBFUSCDATA_ID_OLD))) ){ |
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| 259 | daniel-mar | 36 | HLock(h); |
| 271 | daniel-mar | 37 | if(GetHandleSize(h) == sizeof(PARM_T)) { |
| 38 | deobfusc((PARM_T*)*h); |
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| 39 | gdata->obfusc = true; |
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| 40 | } else { |
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| 41 | // Obfuscated PARM has wrong size. Should not happen |
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| 42 | gdata->obfusc = false; |
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| 43 | ReleaseResource(h); |
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| 44 | return false; |
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| 45 | } |
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| 259 | daniel-mar | 46 | } |
| 47 | if(h){ |
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| 48 | HLock(h); |
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| 49 | res = readPARM(*h, &gdata->parm, reason, 0 /*Mac format resource*/); |
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| 50 | ReleaseResource(h); |
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| 51 | gdata->obfusc = false; |
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| 52 | } |
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| 53 | if (!res) { |
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| 54 | gdata->obfusc = false; |
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| 55 | } |
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| 56 | return res; |
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| 57 | } |
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| 58 | |||
| 59 | static Boolean readmacplugin(StandardFileReply *sfr,char **reason){ |
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| 60 | Boolean res = false; |
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| 61 | short rrn = FSpOpenResFile(&sfr->sfFile,fsRdPerm); |
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| 62 | |||
| 63 | if(rrn != -1){ |
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| 64 | if(readPARMresource(NULL,reason,0)) |
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| 65 | res = true; |
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| 66 | CloseResFile(rrn); |
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| 67 | }else |
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| 68 | *reason = "Could not open file."; |
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| 69 | return res; |
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| 70 | } |
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| 71 | |||
| 72 | Boolean loadfile(StandardFileReply *sfr,char **reason){ |
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| 73 | Boolean readok = false; |
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| 74 | FInfo fndrInfo; |
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| 75 | |||
| 408 | daniel-mar | 76 | // The different read-functions will return true if the resource was successfully loaded, |
| 77 | // or false otherwise. If *reason is set, then the answer is clearly "No". If the result |
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| 78 | // is just false, it means that the program should continue with the next read-function. |
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| 79 | *reason = NULL; |
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| 80 | |||
| 259 | daniel-mar | 81 | if(FSpGetFInfo(&sfr->sfFile,&fndrInfo) == noErr){ |
| 82 | // first try to read text parameters (AFS, TXT, PFF) |
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| 408 | daniel-mar | 83 | if (*reason == NULL) { |
| 84 | if (readfile_afs_pff(sfr,reason)) { |
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| 85 | gdata->parmloaded = false; |
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| 86 | gdata->obfusc = false; |
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| 87 | return true; |
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| 88 | } |
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| 89 | } |
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| 90 | |||
| 91 | // then try "Filters Unlimited" file (FFX) |
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| 92 | if (*reason == NULL) { |
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| 93 | if (readfile_ffx(sfr,reason)) { |
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| 94 | gdata->parmloaded = true; |
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| 95 | gdata->obfusc = false; |
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| 96 | return true; |
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| 97 | } |
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| 98 | } |
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| 99 | |||
| 100 | // then try "PluginCommander TXT" file (TXT) |
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| 101 | if (*reason == NULL) { |
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| 102 | if (readfile_picotxt(sfr,reason)) { |
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| 103 | gdata->parmloaded = true; |
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| 104 | gdata->obfusc = false; |
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| 105 | return true; |
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| 106 | } |
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| 107 | } |
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| 108 | |||
| 109 | // Try Mac plugin resource |
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| 110 | if (*reason == NULL) { |
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| 111 | if (readmacplugin(sfr,reason)) { |
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| 112 | if (gdata->parm.iProtected) { |
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| 113 | *reason = "The filter is protected."; |
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| 114 | } else { |
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| 115 | gdata->parmloaded = true; |
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| 116 | return true; |
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| 117 | } |
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| 118 | } |
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| 119 | } |
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| 120 | |||
| 121 | // Try Windows resources (we need to do a binary scan) |
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| 122 | // Note that we cannot detect obfuscated filters here! |
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| 123 | if (*reason == NULL) { |
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| 124 | if (readfile_8bf(sfr,reason)) { |
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| 125 | if (gdata->parm.iProtected) { |
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| 126 | *reason = "The filter is protected."; |
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| 127 | } else { |
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| 128 | gdata->parmloaded = true; |
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| 129 | return true; |
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| 130 | } |
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| 131 | } |
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| 132 | } |
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| 375 | daniel-mar | 133 | |
| 408 | daniel-mar | 134 | // We didn't had success. If we have a clear reason, return false and the reason. |
| 135 | // If we don't have a clear reason, set a generic reason and return false. |
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| 136 | if (*reason == NULL) { |
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| 137 | *reason = "It is not a text parameter file, nor a standalone Mac/PC filter created by Filter Factory/Filter Foundry."; |
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| 138 | } |
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| 139 | return false; |
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| 140 | } else { |
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| 141 | *reason = "File cannot be opened"; |
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| 142 | return false; |
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| 259 | daniel-mar | 143 | } |
| 144 | } |